| Specifications |
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 |
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 |
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| Models |
KX-NT366 |
KX-NT346 |
KX-NT343 |
KX-NT321 |
KX-NT305 |
KX-NT303 |
| Display |
|
| LCD (Rows x Characters) |
6 x 24 |
6 x 24 |
3 x 24 |
1 |
No |
No |
| Backlit LCD |
Yes |
Yes |
Yes |
No |
No |
No |
| Keys |
|
| Programmable CO Keys with Dual-Color LED |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
| CO Line Buttons |
48 Self Labeling |
24 |
24 |
8 |
60 |
12 |
| Navigator Key |
Yes |
Yes |
Yes |
Yes |
No |
No |
| Message/Ringer Lamp |
Yes |
Yes |
Yes |
Yes |
No |
No |
| Audio |
|
| Speakerphone |
Digital Duplex |
Digital Duplex |
Digital Duplex |
Yes |
No |
No |
| Bluetooth (with KX-NT307) |
Optional |
Optional |
Optional |
No |
No |
No |
| Connections |
|
| Headset Jack (2.5mm) |
Yes |
Yes |
Yes |
Yes |
No |
No |
| Two Ethernet Ports (100Base-T) |
Yes |
Yes |
Yes |
Yes |
No |
No |
| Power Over Ethernet (PoE) |
Yes |
Yes |
Yes |
Yes |
No |
No |
| 12 Key Add-On Module |
No |
Optional |
Optional |
No |
No |
No |
| Other |
|
| Voice Encryption |
No |
No |
No |
No |
No |
Yes |
| Desk or Wall Mount |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |